749499 has 4 divisors (see below), whose sum is σ = 999336. Its totient is φ = 499664.

The previous prime is 749471. The next prime is 749543. The reversal of 749499 is 994947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749499 - 2⁵ = 749467 is a prime.

It is a D-number.

749499 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 749499.

It is not an unprimeable number, because it can be changed into a prime (749429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124914 + ... + 124919.

It is an arithmetic number, because the mean of its divisors is an integer number (249834).

2⁷⁴⁹⁴⁹⁹ is an apocalyptic number.

749499 is a deficient number, since it is larger than the sum of its proper divisors (249837).

749499 is a wasteful number, since it uses less digits than its factorization.

749499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249836.

The product of its digits is 81648, while the sum is 42.

The square root of 749499 is about 865.7361029783. The cubic root of 749499 is about 90.8357945260.

It can be divided in two parts, 74949 and 9, that multiplied together give a triangular number (674541 = T₁₁₆₁).

The spelling of 749499 in words is "seven hundred forty-nine thousand, four hundred ninety-nine".